package me.ereach.concurrency;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public class Main03ConCollections {
    public static void main(String[] args) {
        Map<Integer, String> map = new ConcurrentHashMap<>();

        map.put(1, "a");
        System.out.println(map.get(1));
        map.remove(1);
    }
}
